Assessment method for epithermal gold deposits in northeast Washington State using weights-of-evidence GIS modeling
D. E. Boleneus, G. L. Raines, J. D. Causey, A. A. Bookstrom, T. P. Frost, P. C. Hyndman
2001, Open-File Report 2001-501
The weights-of-evidence analysis, a quantitative mineral resource mapping tool, is used to delineate favorable areas for epithermal gold deposits and to predict future exploration activity of the mineral industry for similar deposits in a four-county area (222 x 277 km), including the Okanogan and Colville National Forests of northeastern Washington....
Ground-water flow to Death Valley, as inferred from the chemistry and geohydrology of selected springs in Death Valley National Park, California and Nevada
William C. Steinkampf, William L. Werrell
2001, Water-Resources Investigations Report 98-4114
Death Valley lies downgradient from adjacent valleys to the north, south, east, and west in California and Nevada, and is the site of substantial ground-water discharge. The sources of the discharging waters have been discussed by several investigators in the past and are of heightened concern because of the potential disposal of high-level radioactive waste at Yucca...
Magnetotelluric data in the middle Rio Grande basin, Rio Rancho, New Mexico
Jackie M. Williams, Brian D. Rodriguez
2001, Open-File Report 2001-417
Magnetotelluric data in the middle Rio Grande basin, at Cochiti Pueblo, New Mexico
Jackie M. Williams, Brian D. Rodriguez
2001, Open-File Report 2001-442
Geohydrology and limnology of Walden Pond, Concord, Massachusetts
John A. Colman, Paul J. Friesz
2001, Water-Resources Investigations Report 2001-4137
The trophic ecology and ground-water contributing area of Walden Pond, in Concord and Lincoln, Mass., were investigated by the U.S. Geological Survey in cooperation with the Massachusetts Department of Environmental Management from April 1997 to July 2000. Bathymetric investigation indicated that Walden Pond (24.88 hectares), a glacial kettle-hole lake with...
What is the Ohio Gap Analysis Program (GAP)?
S.A. Covert, Melissa Haltuch, Troy Wilson
2001, Fact Sheet 093-01
The Gap Analysis Program (GAP) is a program for identifying the degree to which native species and natural communities are represented in present-day conservation lands. Those areas where unique biological communities and conservation lands do not overlap constitute gaps in our conservation effort.GAP aids in the protection of biodiversity through...
Mercury in U.S. coal; abundance, distribution, and modes of occurrence
Susan J. Tewalt, Linda J. Bragg, Robert B. Finkelman
2001, Fact Sheet 095-01
The U.S. Geological Survey (USGS) has compiled a nationwide coal information database over the last 25 years. A subset of the data, called COALQUAL, contains analyses of over 7,000 coal samples that have been collected or calculated to represent the entire thickness of a coal bed in the ground. The...
Quality-assurance data, comparison to water-quality standards, and site considerations for total dissolved gas and water temperature, lower Columbia River, Oregon and Washington, 2001
Dwight Q. Tanner, Heather M. Bragg
2001, Water-Resources Investigations Report 2001-4273
Significant Findings For eight monitoring sites, in water year 2001, an average of 99.3% of the total-dissolved-gas data were received in real time and passed quality-assurance checks. After 2 to 3 weeks of deployment in the river, most comparisons of field total-dissolved-gas sensors with a secondary standard (another calibrated total-dissolved-gas sensor) were...
GEODE (Geo-Data Explorer) - A U.S. Geological Survey Application for Data Retrieval, Display, and Analysis through the Internet
Marc Levine, Adam Schultz
2001, Fact Sheet 132-01
GEODE (Geo-Data Explorer) is a free service offered by the U.S. Geological Survey (USGS) on the Internet at http://geode.usgs.gov (fig. 1). It provides digital geographically referenced data to the desktop computers of any user, including policymakers, land and resource managers, educators, industries, and private citizens. The ultimate goal of GEODE...
Water budget for the Nueces Estuary, Texas, May-October 1998
D.J. Ockerman
2001, Fact Sheet 081-01
The Texas Water Development Board (TWDB), Texas Parks and Wildlife Department (TPWD), and Texas Natural Resource Conservation Commission (TNRCC) are charged by the Texas Legislature with determining freshwater inflows required to maintain the ecological health of streams, bays, and estuaries in Texas. To determine required inflows, the three agencies collect...
Characterization of surface-water quality based on real-time monitoring and regression analysis, Quivira National Wildlife Refuge, south-central Kansas, December 1998 through June 2001
Victoria G. Christensen
2001, Water-Resources Investigations Report 2001-4248
Because of the considerable wildlife benefits offered by the Quivira National Wildlife Refuge in south-central Kansas, there is a desire to ensure suitable water quality. To assess the quality of water flowing from Rattlesnake Creek into the refuge, the U.S. Geological Survey collected periodic water samples from December 1998 through...
Hydrologic data and a proposed water-quality monitoring network for the Kobuk River basin, Gates of the Arctic National Park and Preserve, and Kobuk Valley National Park, Alaska
Timothy P. Brabets
2001, Water-Resources Investigations Report 2001-4141
Located in northwestern Alaska, the Kobuk River drains a watershed of approximately 12,300 square miles. Two national parks are located in the basin: the entire Kobuk Valley National Park and and a portion of Gates of the Arctic National Park and Preserve. Reconnaissance-type water-quality data collected on the Kobuk River...
Geologic map of the Winona Quadrangle, Shannon County, Missouri
R. C. Orndorff, R.W. Harrison
2001, IMAP 2749
The bedrock exposed in the Winona Quadrangle, Missouri, comprises Mesoproterozoic aged volcanic rocks overlain by Late Cambrian and Early Ordovician aged dolomite, sandstone, and chert. The sedimentary rocks are nearly flat-lying except where they drape around knobs of the volcanic rocks or where they are adjacent to faults. The...
Discharge between San Antonio Bay and Aransas Bay, southern Gulf Coast, Texas, May-September 1999
Jeffery W. East
2001, Fact Sheet 082-01
Along the Gulf Coast of Texas, many estuaries and bays are important habitat and nurseries for aquatic life. San Antonio Bay and Aransas Bay, located about 50 and 30 miles northeast, respectively, of Corpus Christi, are two important estuarine nurseries on the southern Gulf Coast of Texas (fig. 1). According...
The search for reliable aqueous solubility (Sw) and octanol-water partition coefficient (Kow) data for hydrophobic organic compounds; DDT and DDE as a case study
James Pontolillo, R.P. Eganhouse
2001, Water-Resources Investigations Report 2001-4201
The accurate determination of an organic contaminant’s physico-chemical properties is essential for predicting its environmental impact and fate. Approximately 700 publications (1944–2001) were reviewed and all known aqueous solubilities (Sw) and octanol-water partition coefficients (Kow) for the organochlorine pesticide, DDT, and its persistent metabolite, DDE were compiled and examined. Two...
Geologic map of the Jasper Quadrangle, Newton and Boone counties, Arkansas
M.R. Hudson, K.E. Murray, Deborah Pezzutti
2001, Miscellaneous Field Studies Map 2356
This digital geologic map compilation presents new polygon (i.e., geologic map unit contacts), line (i.e., fault, fold axis, and structure contour), and point (i.e., structural attitude, contact elevations) vector data for the Jasper 7 1/2' quadrangle in northern Arkansas. The map database, which is at 1:24,000-scale resolution, provides geologic...
Hydrogeologic data for the Big River–Mishnock River stream-aquifer system, central Rhode Island
P. A. Craft
2001, Open-File Report 2001-250
Hydrogeology, ground-water development alternatives, and water quality in the Big Mishnock stream-aquifer system in central Rhode Island are being investigated as part of a long-term cooperative program between the Rhode Island Water Resources Board and the U.S. Geological Survey to evaluate the ground-water resources throughout Rhode Island. The study area includes...
Rb-Sr whole-rock and mineral ages, K-Ar, 40Ar/39Ar, and U-Pb mineral ages, and strontium, lead, neodymium, and oxygen isotopic compositions for granitic rocks from the Salinian composite terrane, California
R. W. Kistler, D.E. Champion
2001, Open-File Report 2001-453
This report summarizes new and published age and isotopic data for whole-rocks and minerals from granitic rocks in the Salinian composite terrane, California. Rubidium-strontium whole-rock ages of plutons are in two groups, Early Cretaceous (122 to 100 Ma) and Late Cretaceous (95 to 82 Ma). Early Cretaceous plutons occur in...
Thickness and geometry of Cenozoic deposits in California Wash area, Nevada, based on gravity and seismic-reflection data
V.E. Langenheim, J. J. Miller, W. R. Page, J. A. Grow
2001, Open-File Report 2001-393
Gravity and seismic-reflection data provide insights into the subsurface stratigraphy and structure of the California Wash area of southern Nevada. This area is part of the Lower Colorado flow system and stratigraphic and structural data are important inputs into developing the hydrogeologic framework. These data indicate that the basin beneath...
A guide to potential soil carbon sequestration: Land-use management for mitigation of greenhouse gas emissions
H. W. Markewich, G. R. Buell
2001, Open-File Report 2001-374
Terrestrial carbon sequestration has a potential role in reducing the recent increase in atmospheric carbon dioxide (CO2) that is, in part, contributing to global warming. Because the most stable long-term surface reservoir for carbon is the soil, changes in agriculture and forestry can potentially reduce atmospheric CO2 through increased soil-carbon...
Selected hydrologic data for Little Cottonwood Creek, Salt Lake County, Utah, September 1998
L. J. Gerner, F. J. Rossi, B.K. Kimball
2001, Open-File Report 2001-38
Metals enter Little Cottonwood Creek in Salt Lake County, Utah, in drainage water that discharges from inactive mines in the watershed (fig. 1). As part of a study to evaluate the effects of this mine drainage on water quality, a sodium chloride tracer was injected into Little Cottonwood Creek during...
Water-quality, bed-sediment, and biological data (October 1999 through September 2000) and statistical summaries of data for streams in the upper Clark Fork basin, Montana
K. A. Dodge, Michelle I. Hornberger, C. P. C. David
2001, Open-File Report 2001-379
Map and map database of susceptibility to slope failure by sliding and earthflow in the Oakland area, California
R.J. Pike, R. W. Graymer, Sebastian Roberts, N.B. Kalman, Steven Sobieszczyk
2001, Miscellaneous Field Studies Map 2385
Map data that predict the varying likelihood of landsliding can help public agencies make informed decisions on land use and zoning. This map, prepared in a geographic information system from a statistical model, estimates the relative likelihood of local slopes to fail by two processes...
U.S. Geological Survey Activities Related to American Indians and Alaska Natives Fiscal Year 2001
Water Resources Division, U.S. Geological Survey
2001, Report
Information is a resource that can help Native American governments and their people. The U.S. Geological Survey (USGS) makes available technical expertise, reports, and other impartial information sources that can benefit Native Americans interested in subsistence issues, water, land use, and the health of many parts of the environment.The USGS...
Geologic map of the San Bernardino North 7.5' quadrangle, San Bernardino County, California
F. K. Miller, J. C. Matti
2001, Open-File Report 2001-131
Introduction Open-File Report OF 01-131 contains a digital geologic map database of the San Bernardino North 7.5’ quadrangle, San Bernardino County, California that includes: 1. ARC/INFO (Environmental Systems Research Institute) version 7.2.1 coverages of the various components of the geologic map 2. A PostScript file to plot the geologic map on a topographic...
